Home / 20,736,005.90-31,104,008.86-16,406,329.10

Finding the Fourth Proportional to 20,736,005.90, 31,104,008.86 and 16,406,329.10

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Solution

The fourth proportional to 20,736,005.90, 31,104,008.86 and 16,406,329.10 is: 24,609,493.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,005.90 : 31,104,008.86 = 16,406,329.10 : x
  2. Step 2: Convert to fraction form
    20,736,005.90/31,104,008.86 = 16,406,329.10/x
  3. Step 3: Cross multiply
    20,736,005.90x = 31,104,008.86 × 16,406,329.10
  4. Step 4: Simplify right side
    20,736,005.90x = 510,302,605,686,475.81
  5. Step 5: Solve for x
    x = 510,302,605,686,475.81/20,736,005.90
  6. Step 6: Final answer
    x = 24,609,493.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.